Laser diode pumped solid state laser with miniaturized laser hea

Details Laser diode pumped solid state laser with miniaturized laser hea Laser diode pumped solid state laser with miniaturized laser hea

1987-05-12

1988-02-02

Scott, Jr., Leon

Coherent light generators

Particular resonant cavity

Specified output coupling device

372107, 372 92, 372109, 350 9618, H01S 308

Patent

active

047232579

ABSTRACT:
A compact laser head for a solid state laser has a miniaturized laser rod and output coupling mirror which form a miniaturized laser cavity. A miniaturized frequency doubler crystal placed in the cavity provides frequency doubled output. The laser head is connected by an optical fiber to a separate power supply which contains a laser diode pumping source. A quick disconnect connector enables the fiber optic to be easily connected to the laser head. Pumping radiation is transmitted through the optical fiber to longitudinally end pump the laser rod using fiber coupling imagery. The fiber is aligned with the rod by the connector and the pumping radiation is imaged into the rod by a focussing sphere. The pumping volume is matched to the lasing volume which is determined by the cavity geometry. The quick disconnect laser head allows interchange of different heads with different output characteristics while using a single power supply.

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